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Novay_Z [31]
3 years ago
10

The Great Lakes are located of the Rocky Mountains

Geography
1 answer:
Alexeev081 [22]3 years ago
5 0
The answer is east isnt it?
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Which of the following is the correct symbol for the front indicated by the box?
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Which country does the number 33 represent?
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What evidence from the map suggests that the pediment is covered with a mantle of alluvium?
Fofino [41]
The evidence is when there is degradation. it is characteristic of channel networks in which either bedrock<span> erosion is taking place, or in systems that are </span>sediment<span>-starved and are therefore entraining more material than is being deposited. When a stream degrades, it leaves behind a </span>fluvial terrace<span>. This can be further classified as a </span>strath terrace<span>—a bedrock terrace that may have a thin mantle of </span>alluvium<span>—if the river is incising through bedrock.</span>
6 0
3 years ago
A rock is radiometrically dated to determine its age. The laboratory doing the dating discovers that the rock currently has 200
Soloha48 [4]

Answer: The rock is 2000785 years old.

Explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant

t = age of sample

a = initial amount of the reactant  = 800

x = amount of daughter isotope = 600

a - x = amount left after decay process = amount of parent isotope = (800-600) = 200

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=\frac{0.693}{k}

k=\frac{0.693}{1000000}=0.000000693years^{-1}

t=\frac{2.303}{0.000000693}\log\frac{800}{200}

t=2000785years

The rock is 2000785 years old.

6 0
3 years ago
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